Home / 87,808.33-121,163.22-49,046.59

Finding the Fourth Proportional to 87,808.33, 121,163.22 and 49,046.59

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Solution

The fourth proportional to 87,808.33, 121,163.22 and 49,046.59 is: 67,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,808.33 : 121,163.22 = 49,046.59 : x
  2. Step 2: Convert to fraction form
    87,808.33/121,163.22 = 49,046.59/x
  3. Step 3: Cross multiply
    87,808.33x = 121,163.22 × 49,046.59
  4. Step 4: Simplify right side
    87,808.33x = 5,942,642,471.51
  5. Step 5: Solve for x
    x = 5,942,642,471.51/87,808.33
  6. Step 6: Final answer
    x = 67,677.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.